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A027857 as a simple table

na(n)
10
20
31
40
51
60
74
80
97
100
111
120
1311
142
1512
160
178
180
192
200
215
2214
2319
240
257
264
270
280
2920
300
317
320
3324
3422
352
360
3711
386
399
400
4110
420
4324
444
450
4630
4721
480
4945
5030
5112
520
5340
540
5530
560
5739
5832
5950
600
6128
6252
6318
640
6559
660
6725
6824
6915
700
7140
720
7359
7448
7515
760
7723
780
7962
800
8154
820
8369
840
8580

[0,0,1,0,1,0,4,0,7,0,1,0,11,2,12,0,8,0,2,0,5,14,
 19,0,7,4,0,0,20,0,7,0,24,22,2,0,11,6,9,0,10,0,24,
 4,0,30,21,0,45,30,12,0,40,0,30,0,39,32,50,0,28,52,
 18,0,59,0,25,24,15,0,40,0,59,48,15,0,23,0,62,0,54,
 0,69,0,80]